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Assessment of Toxicity Impact Associated With Phosphogypsum in Florida.

A part of the Bureau of Mines minerals environmental technology research program is to assess problems associated with radium in the large tonnages of phosphogypsum in Florida. Another part is to develop a data base so that, through a continuing research effort, potential environmental problems can be identified and mitigated. The Bureau's Tuscaloosa Research Center conducted research to characterize phosphogypsum to determine if it is hazardous or toxic, and if so, to investigate means of mitigating the situation so that the phosphogypsum could be used in a variety of high-volume applications.